High Temperature Weather Icon - Heat Index and Thermometer Illustration #308380 (License: Personal Use)

This hand-drawn style illustration features a white clinical thermometer with red mercury climbing past the midpoint, set against a vivid blue sky. A large, cheerful yellow sun with jagged rays dominates the upper right, symbolizing intense solar radiation and hot conditions. The bold black outlines and saturated colors make it ideal for educational or public-facing weather graphics.

Commonly used in weather forecasts, heat advisories, climate change infographics, school science materials, or public health campaigns about heat safety. Matches user intent for visual explanations of temperature rise, summer weather, or thermal measurement.